Particulate Matter

Q.

Harmful chemicals released out from the chemical factories cause air pollution.

1. True

2. False

Q.

Name some particulate pollutants.

Q.

What do you mean by particulate

Q.

Pollution of air is caused due to _______.

1. poisonous gases

2. particulate matter

3. poisonous gases and particulate matter
4. colloids

Q.

Which one of the following pollutants is suspended solids of smoke, dust and vapour?

1. Lead

2. Chlorofluoro carbon

3. Ozone

4. Suspended particulate matter

Q.

The substances which contaminate air are called __________.

1. air particles

2. duct particles

3. air pollutants

4. smog